अनुक्रम \(2,-6,18,-54,\ldots\) का सार्व अनुपात क्या है?

What is the common ratio of the sequence \(2,-6,18,-54,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

B. (-3)

Step 1

Concept

The common ratio is \(\frac{-6}{2}=-3\). With a negative ratio the signs alternate.

Step 2

Why this answer is correct

The correct answer is B. (-3). The common ratio is \(\frac{-6}{2}=-3\). With a negative ratio the signs alternate.

Step 3

Exam Tip

सार्व अनुपात \(\frac{-6}{2}=-3\) है। ऋणात्मक अनुपात होने पर चिह्न बारी-बारी से बदलते हैं।

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अनुक्रम \(2,-6,18,-54,\ldots\) का सार्व अनुपात क्या है? / What is the common ratio of the sequence \(2,-6,18,-54,\ldots\)?

Correct Answer: B. (-3). Explanation: सार्व अनुपात \(\frac{-6}{2}=-3\) है। ऋणात्मक अनुपात होने पर चिह्न बारी-बारी से बदलते हैं। / The common ratio is \(\frac{-6}{2}=-3\). With a negative ratio the signs alternate.

Which concept should I revise for this Mathematics MCQ?

The common ratio is \(\frac{-6}{2}=-3\). With a negative ratio the signs alternate.

What exam hint can help solve this Mathematics question?

सार्व अनुपात \(\frac{-6}{2}=-3\) है। ऋणात्मक अनुपात होने पर चिह्न बारी-बारी से बदलते हैं।